LandOfFree - US Patents - Listing for Pipe joints or couplings,With casing, lining or protector

Pipe joints or couplings – With casing – lining or protector – Insulated

Removable fluid swivel for mooring terminals

Pipe joints or couplings – With casing – lining or protector – Lined

Replaceable pipe liner assembly

Pipe joints or couplings – With casing – lining or protector – Lined

Resilient annular seal with supporting liner

Pipe joints or couplings – With casing – lining or protector – Insulated

Rigid duct with bendable elbow

Pipe joints or couplings – With casing – lining or protector

Riser assembly for underground pipe connections

Pipe joints or couplings – With casing – lining or protector

Rod coupling for oil well sucker rods and the like

Pipe joints or couplings – With casing – lining or protector – Lined

Roll grooved pipe

Pipe joints or couplings – With casing – lining or protector – Insulated

Rotary joint device for a cryogenic liquid

Pipe joints or couplings – With casing – lining or protector – Lined

Rust-resistant sleeve for use in a branch hole of a water pipeli

Pipe joints or couplings – With casing – lining or protector

Safety shield for flanged pipe couplings

Pipe joints or couplings – With casing – lining or protector

Screw connection element and protective sleeve therefor

Pipe joints or couplings – With casing – lining or protector – Insulated

Sealing rings for the ends of heat-insulated pipe units

Pipe joints or couplings – With casing – lining or protector

Secondary containment system and method

Pipe joints or couplings – With casing – lining or protector – Insulated

Self-adjusting seal assembly

Pipe joints or couplings – With casing – lining or protector – Insulated

Self-covering element

Pipe joints or couplings – With casing – lining or protector – Lined

Self-flaring, split bushing pipe fitting and hose assemblies...

Pipe joints or couplings – With casing – lining or protector – Insulated

Separable high pressure gas line isolator

Pipe joints or couplings – With casing – lining or protector – Lined

Service riser

Pipe joints or couplings – With casing – lining or protector – Insulated

Shaft coupling